Armadale detectives have charged a teenager with grievous bodily harm over an incident in which a 18-year-old man was stabbed at a party in Piara Waters in September.

Police were called to the Southampton Drive home after an out of control party spilled out onto the street.

They found an 18-year-old with a stab-wound to his abdomen and suffering serious internal injuries.

He was treated at Royal Perth Hospital, where he remained for a week.

A 16-year-old Wannanup boy was arrested in Mandurah yesterday and charged with grevious bodily harm.

He is due to appear in the Armadale Magistrate's Court on Monday 26 November.

The West Australian

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